Drinking mug



FIG. 1 shows a perspective view looking downwardly at my new design for a drinking mug.

FIG. 2 shows a perspective view looking upwardly.

FIG. 3 shows a side elevation view.

FIG. 4 shows a front elevation view.

FIG. 5 shows a top plan view.

FIG. 6 shows a side elevation view opposite from that shown in FIG. 3.

FIG. 7 shows a rear elevation view; and,

FIG. 8 shows a bottom plan view. 

I claim the ornamental design for a drinking mug, as shown and described. 